The magic treehouse whisks Jack and Annie back to the days of deserted islands, secret maps, hidden gold, and nasty pirates. Illus. in black-and-white. Jack and Annie are in deep trouble when the Magic Tree House whisks them back to the days of desert islands, secret maps, hidden gold—and ruthless pirates! Will Jack and Annie discover a buried treasure? Will they find out the identity of the mysterious M? Or will they walk the plank?